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Heterostructured DNA templates: A combined magnetic force microscopy and circular dichroism study
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10.1063/1.3058711
/content/aip/journal/apl/93/26/10.1063/1.3058711
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/26/10.1063/1.3058711
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

CD spectra and MFM images of 1:1 DNA:NP heterostructured NW. (a) CD spectrum for mixture of undigested and digested gold and ferric oxide DNA templated NWs, along with ligased heterostructure of gold-ferric oxide NWs, with a corresponding legend shown. (b) AFM image collected for the 1:1 DNA:NP NW (enclosed in bracket) with line plot measuring height (bottom). (c) Corresponding phase image from the AFM height image, where the tip is not lifted (0 nm) with line plot of the phase measured. (d) MFM phase image with the tip lifted 10 nm above surface with line plot of the measured phase shift. (e) MFM phase image with tip lifted 20 nm above surface with line plot of the measured phase shift.

Image of FIG. 2.
FIG. 2.

CD spectra and MFM images of 1:5 DNA:NP heterostructured NW. (a) CD spectrum for mixture of undigested and digested gold and ferric oxide DNA template NWs, along with ligased heterostructure of gold-ferric oxide NWs, with a corresponding legend shown. (b) AFM image collected for the 1:5 DNA:NP NW (enclosed in bracket) with line plot measuring height (bottom). (c) Corresponding phase image from the AFM height image, where the tip is not lifted (0 nm) with line plot of the phase measured. (d) MFM phase image with the tip lifted 10 nm above surface with line plot of the measured phase shift. (e) MFM phase image with tip lifted 20 nm above surface with line plot of the measured phase shift.

Image of FIG. 3.
FIG. 3.

CD spectra and MFM images of 1:25 DNA:NP heterostructured NW. (a) CD spectrum for mixture of undigested and digested gold and ferric oxide DNA template NWs, along with ligased heterostructure of gold-ferric oxide NWs, with a corresponding legend shown. (b) AFM image collected for the 1:25 DNA:NP NW (enclosed in bracket) with line plot measuring height (bottom). (c) Corresponding phase image from the AFM height image, where the tip is not lifted (0 nm) with line plot of the phase measured. (d) MFM phase image with the tip lifted 10 nm above surface with line plot of the measured phase shift. (e) MFM phase image with tip lifted 20 nm above surface with line plot of the measured phase shift.

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/content/aip/journal/apl/93/26/10.1063/1.3058711
2008-12-29
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Heterostructured DNA templates: A combined magnetic force microscopy and circular dichroism study
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/26/10.1063/1.3058711
10.1063/1.3058711
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